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Issue 35, 2011
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One pot synthesis of fluorescent π-conjugated materials: immobilization of phenylene–ethynylene polyelectrolytes in silica confined ionogels

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Abstract

Phenylene–ethynylene monomer and copolymer bearing pendant imidazolium groups were synthesized in order to obtain luminescent entities highly soluble in ionic liquids (ILs). Their stabilities under non-aqueous sol–gel conditions (i.e. using formic acid) allowed their incorporation into silica in the form of ionogels. This was performed in a one step synthesis and the resulting materials were found to be easily processable as monoliths and showed interesting luminescent properties. Given the high solubility of 2,4-dinitrotoluene in the investigated IL, (1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide), the relevance of these ionogels as luminescent sensors was tested.

Graphical abstract: One pot synthesis of fluorescent π-conjugated materials: immobilization of phenylene–ethynylene polyelectrolytes in silica confined ionogels

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Publication details

The article was received on 20 Apr 2011, accepted on 25 Jun 2011 and first published on 01 Aug 2011


Article type: Paper
DOI: 10.1039/C1JM11733E
J. Mater. Chem., 2011,21, 13588-13593

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    One pot synthesis of fluorescent π-conjugated materials: immobilization of phenylene–ethynylene polyelectrolytes in silica confined ionogels

    N. Cheminet, T. Jarrosson, J. Lère-Porte, F. Serein-Spirau, L. Cury, J. Moreau, L. Viau and A. Vioux, J. Mater. Chem., 2011, 21, 13588
    DOI: 10.1039/C1JM11733E

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